package com.itheima.reggie.common;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;

import java.time.LocalDateTime;

/*
* 自定义元数据对象处理器
* */
@Component//加入bean管理
@Slf4j
public class MyMetaObjectHandler implements MetaObjectHandler {
    /**
     * 插入操作,自动填充
     * @param metaObject
     */
    @Override
    public void insertFill(MetaObject metaObject) {
//        log.info("公共字段填充:[insert]");
//        log.info(metaObject.toString());
        metaObject.setValue("createTime", LocalDateTime.now());
        metaObject.setValue("updateTime", LocalDateTime.now());
        /**
         * 用户id  为当前登录用户的id   request   session
         */
        metaObject.setValue("createUser", BaseContext.getThreadLocal());
        metaObject.setValue("updateUser", BaseContext.getThreadLocal());
    }

    /**
     * 跟新操作,自动填充
     * @param metaObject
     */
    @Override
    public void updateFill(MetaObject metaObject) {
//        log.info("公共字段填充:[insert]");
//        log.info(metaObject.toString());
        metaObject.setValue("updateTime", LocalDateTime.now());
        metaObject.setValue("updateUser", BaseContext.getThreadLocal());

    }
}
